diff --git a/qemu-char.c b/qemu-char.c
index a538217b00..e3b3224886 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -2604,7 +2604,7 @@ static CharDriverState *qemu_chr_open_socket_fd(int fd, bool do_nodelay,
 
     memset(&ss, 0, ss_len);
     if (getsockname(fd, (struct sockaddr *) &ss, &ss_len) != 0) {
-        error_setg(errp, "getsockname: %s", strerror(errno));
+        error_setg_errno(errp, errno, "getsockname");
         return NULL;
     }
 
@@ -3529,7 +3529,7 @@ static int qmp_chardev_open_file_source(char *src, int flags,
 
     TFR(fd = qemu_open(src, flags, 0666));
     if (fd == -1) {
-        error_setg(errp, "open %s: %s", src, strerror(errno));
+        error_setg_file_open(errp, errno, src);
     }
     return fd;
 }